3,5-Difluoro-2-(difluoromethyl)pyridine-6-sulfonamide
2,5-Difluoro-3-(difluoromethyl)pyridine-6-carbonyl chloride
3,4-Difluoro-6-(difluoromethyl)pyridine-2-sulfonamide
2,4-Difluoro-6-(difluoromethyl)pyridine-3-carbonyl chloride
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